25826440

素因数分解:

$2^3\times 5^1\times {\mathrm{645661}}^1$

素因数の和:645672

約数の個数: 16

約数和(自身を含む): 58109580

約数和(自身を除く): 32283140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 645661, 1291322, 2582644, 3228305, 5165288, 6456610, 12913220, 25826440]

約数ペア:

[(1, 25826440), (2, 12913220), (4, 6456610), (5, 5165288), (8, 3228305), (10, 2582644), (20, 1291322), (40, 645661)]